public async Task PostAsync_CreateAnimalDto_ReturnsCreateAnimalDto(
[Frozen] Mock <IAnimalService> _animalService,
[Frozen] Mock <CreateAnimalDto> animalDto)
{
//Arrange
_mapper.Setup(x => x.Map <CreateAnimalDto>(It.IsAny <Animal>()));
var Sut = new AnimalsController(_animalService.Object, _mapper.Object);
//Act
var actual = await Sut.PostAsync(animalDto.Object);
//Assert
_animalService.Verify(x => x.CreateAnimal(It.IsAny <Animal>()));
Assert.NotNull(actual);
Assert.IsType <CreatedResult>(actual);
}